Wow, all this discussion. I live in West Virgina, and took the Z out today on some country back roads... Drove lively, not insane. Notice the oil temp went up to about 250 or so, the hottest I have seen it climb. The car turned 1700 miles on that drive. The Z is my daily driver, and I commute 120 miles, all highway. The most I see it climb to is 220...
The dealership I purchased it from has a "powertrain for life" deal going on. For the life of your car, the dealership will guarantee your engine. If it dies, and you have gone to them every time for an oil change, they replace your engine. For this reason (I am not really planning on tracking the car), I am not that concerned about the oil temp issue!
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